1. [early 17C] a brothel.
2. [early 17C–early 19C] (UK Und.) Newgate prison.
3. [18C+] (UK Und.) any prison; also attrib.; thus [early 18C–mid-19C] go to college, to go to prison.
4. [late 18C–mid-19C] (UK Und.) King’s (or Queen’s) Bench or Fleet prison; also attrib.
5. [mid-19C+] (US Und.) a state prison, a penitentiary.
6. [mid-19C–1900s] (UK Und.) the workhouse.
7. (US Und.) reform school.
[1960s] (US prison) an inmate.
[19C] a prisoner.
[early 19C] (UK Und.) the turnkey of Newgate prison.
SE in slang uses
see Joe College under joe n.1
see Princeton rub n.
[1910s+] (US) a plucky effort, esp. against heavy odds; usu. in phr. (let’s) give it the old college try.
[late 19C–1940s] (US) an unmarried woman, in some way associated with a given college, whose advancing age does not deter her from associating with successive generations of students.
see school of hard knocks n.